CVE-2022-22759 — Protection Mechanism Failure in Mozilla Firefox
Severity
9.6CRITICALNVD
OSV8.8
EPSS
0.3%
top 50.06%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 22
Description
If a document created a sandboxed iframe without allow-scripts, and subsequently appended an element to the iframe's document that e.g. had a JavaScript event handler - the event handler would have run despite the iframe's sandbox. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitability: 2.8 | Impact: 6.0
Affected Packages9 packages
🔴Vulnerability Details
5OSV▶
CVE-2022-22759: If a document created a sandboxed iframe without allow-scripts, and subsequently appended an element to the iframe's document that e↗2022-12-22
CVEList▶
CVE-2022-22759: If a document created a sandboxed iframe without allow-scripts, and subsequently appended an element to the iframe's document that e↗2022-12-22
GHSA▶
GHSA-7qpp-mq9c-7449: If a document created a sandboxed iframe without allow-scripts, and subsequently appended an element to the iframe's document that e↗2022-12-22
📋Vendor Advisories
7Red Hat
▶
Debian▶
CVE-2022-22759: firefox - If a document created a sandboxed iframe without <code>allow-scripts</code>, and...↗2022